Expresso newspaper and SIC TV station both said they reported
the incident to the criminal investigation police agency PJ and
the National Cybersecurity Centre (CNCS) and would file a
complaint.
The alleged hackers, calling themselves Lapsus$ Group, published
a message on the websites saying internal data would be leaked
if the media group failed to pay a ransom. The message included
e-mail and Telegram contact info.
The group did not immediately reply to a Reuters request for
comment.
Lapsus$, which claims that it gained access to Impresa's Amazon
Web Services account, also sent a phishing e-mail to Expresso
subscribers and tweeted from the newspaper's verified Twitter
account.
The same group allegedly hacked Brazil's health ministry website
last month, taking several systems down, including one with
information about the national immunization program and another
used to issue digital vaccination certificates.
CNCS's coordinator, Lino Santos, told Observador newspaper it
was the first time the group launched an attack in the country.
Websites of Expresso and SIC are have been offline since Sunday,
with the pages showing a message saying they are "temporarily
unavailable" following the attack and would return "as soon as
possible".
In the meantime, both media organisations are publishing news
stories on their social media channels. They described it as an
"unprecedented attack on press freedom in the digital age".
(Reporting by Catarina Demony; Editing by Inti Landauro and
Louise Heavens)
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